package edu.sctu.lab03;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

/**
 * Created by JAVA on 2018/5/31.
 */
public class UserListServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req,
                         HttpServletResponse resp)
            throws ServletException, IOException {
        //JSP页面没有任何java代码
        Database database=new Database();
        List<User> userList = database.getUserList();
        //EL表达式涉及所有变量必须在四块空间里面定义
        req.setAttribute("userList",userList);

        req.getRequestDispatcher("/userList.jsp")
                .forward(req,resp);//连接

    }
}
